"This is the most culturally significant art movement of the second half of the 20th century, since Cubism and Surrealism. This art is very powerful, engaged and direct. After all these years I am still moved by its strength, and passion.”
--Henk Pijnenburg, collector who started buying street art 25 years ago
"Aside from urban buildings
, street furniture and public transport, the graffiti artists created works on canvas, paper or street hoardings which are now prized by a growing number of collectors. "
- Artprice.com, "Graffiti art- From the street to the museum"
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